Population By Race and Ethnicity in Polk County, IA in 2020

Updated on January 29, 2024.

Based on the US Census Vintage data estimates, in 2020, the 492,997 population of Polk County, Iowa comprised of 43,589 people who identified as Hispanic (8.84%), and 449,408 people who identified as Non-Hispanic (91.16%).

Race: The White Alone population was the largest racial group in Polk County, Iowa with a population of 416,482 (84.48%); Black or African American Alone population was the second largest racial group with a population of 36,171 (7.34%); and Asian Alone was the third largest racial group with a population of 25,533 (5.18%).

Ethnicity: The White Alone - Non Hispanic population was the largest ethnic group in Polk County, Iowa in 2020, with a population of 376,577 (76.39%); the second largest ethnic group was White Alone - Hispanic with a population of 39,905 (8.09%); and the third largest ethnic group was Black or African American Alone - Non Hispanic with a population of 35,135 (7.13%).

The charts and tables below shows the population and percentage of each racial and ethnicity group in Polk, Iowa.

You can find similar information for other Iowa counties, and for Iowa.

See this for other years:
Hispanics and Non Hispanics in Polk County, IA in 2020
Total Population:
Race in Polk County, IA in 2020
Total Population:
Ethnicity in Polk County, IA in 2020
Total Population:
Population By Race in Polk , IA in 2020
Race Population Percentage
Black or African American Alone 36,171 7.34%
White Alone 416,482 84.48%
American Indian and Alaska Native Alone 1,751 0.36%
Asian Alone 25,533 5.18%
Native Hawaiian And Pacific Islander Alone 315 0.06%
Two Or More Races 12,745 2.59%
Population By Ethnicity in Polk , IA in 2020
Ethnicity Population Percentage
Black or African American Alone - Hispanic 1,036 0.21%
White Alone - Hispanic 39,905 8.09%
American Indian and Alaska Native Alone - Hispanic 1,054 0.21%
Asian Alone - Hispanic 236 0.05%
Native Hawaiian And Pacific Islander Alone - Hispanic 120 0.02%
Two Or More Races - Hispanic 1,238 0.25%
Black or African American Alone - Non Hispanic 35,135 7.13%
White Alone - Non Hispanic 376,577 76.39%
American Indian and Alaska Native Alone - Non Hispanic 697 0.14%
Asian Alone - Non Hispanic 25,297 5.13%
Native Hawaiian And Pacific Islander Alone - Non Hispanic 195 0.04%
Two Or More Races - Non Hispanic 11,507 2.33%